EMI cabinet with improved interference suppression

Details EMI cabinet with improved interference suppression EMI cabinet with improved interference suppression

1989-09-28

1991-09-17

Picard, Leo P.

Electricity: conductors and insulators

Anti-inductive structures

Conductor transposition

361424, H05K 900

Patent

active

050497014

ABSTRACT:
An improved cabinet for electromagnetic and radio-frequency interference suppression includes an electrical component-mounting rail that includes a series of spring-like conductive projections or tabs internally formed to extend from its surface. The projections are arranged so that, as a component panel is mounted against the rail, the projections contact the panel at a plurality of points, establishing electrical contact between it and the rail. The projections are positioned to maintain distances between radiation-suppressing low impedance contacts of the rail and component which are small in comparison to wavelength of interference generated by the component and, thereby, to attenuate emissions from the cabinet.

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patent: 4820885 (1989-04-01), Lindsay
patent: 4833276 (1989-05-01), Ito

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